Lettuce (Lactuca sativa) is a versatile and widely consumed leafy green that belongs to the Asteraceae family. Known for its crisp texture and refreshing taste, lettuce is a staple in salads, sandwiches, and various culinary creations. Cultivating lettuce can be a rewarding experience for both home gardeners and commercial farmers. This comprehensive guide will walk you through the key steps of lettuce cultivation, from selecting the right variety to harvesting the perfect head of lettuce.